How many sides does a triangle have? Three! Sort shapes that have three sides and shapes that don't have three sides with this wacky worksheet.

Categorize the objects by location in this cut-and-paste sorting worksheet!

In this worksheet, your child will practice identifying shapes and sizes of buttons. Cut them out, and sort them into two distinct categories.

Your child will use his powers of deduction to count and classify the furniture in this worksheet. Count and classify the furniture pictured with your child.

Your shoe-obsessed child will learn how to count and classify his shoes in this worksheet. Count and classify with your child using these exercises.

In this preschool math worksheet, your child will practice sorting and categorizing to figure out what doesn't belong.

One of the items in each group doesn't belong with the others. Can your child find which ones?